Inductive Proximity Sensors for Metal Detection

Product Announcement from Fargo Controls, Inc.

Inductive Proximity Sensors for Metal Detection-Image

Fargo Controls offers inductive proximity sensors for detecting the presence of metallic objects.

Their operating principle is based on a coil and high frequency oscillator that creates a field in the close surroundings of the sensing surface. The presence of metal in the operating area causes a change in the oscillation amplitude. This change is identified by a threshold circuit, which changes the output of the sensor.

The operating distance of the sensor depends on the coil's size as well as the target's shape, size and material.

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